5.5x8.2十1.8x5.5简便运算怎么做

2025-05-10 16:37:16
推荐回答(2个)
回答1:

5.5x8.2+1.8x5.5
=5.5x(8.2+1.8)
=5.5x10
=55

回答2:

(8.2+1.8)*5.5=10*5.5=55
望采纳